Lubricant for gas insulated switchgear, and gas insulated switchgear
US-10155916-B2 · Dec 18, 2018 · US
wherein the break is in gas (vacuum switches H01H33/66)
wherein the break is in gas (vacuum switches H01H33/66) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01H33/64 |
| Official title | wherein the break is in gas (vacuum switches H01H33/66) |
| Display label | wherein the break is in gas (vacuum switches H01H33/66) |
| Total patents | 111 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 20 |
| 2017 | 17 |
| 2018 | 19 |
| 2019 | 16 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
3-way disconnector and earth switch for gas insulated switchgear
US-10121625-B2 · Nov 6, 2018 · US
Gas insulated switchgear
US-10043621-B2 · Aug 7, 2018 · US
Gas-insulated switch gear using dual motion with multi-lever
US-2018211802-A1 · Jul 26, 2018 · US
Medium voltage circuit breaker for the use in high pressure environments
US-10014140-B2 · Jul 3, 2018 · US
Power system and method of forming the same
US-2018138688-A1 · May 17, 2018 · US
Sf6 insultated circuit breaker system with heater
US-2017372857-A1 · Dec 28, 2017 · US
Lubricant for gas insulated switchgear, and gas insulated switchgear
US-2017349854-A1 · Dec 7, 2017 · US
Gas circuit breaker and method for attaching bushing
US-9806504-B2 · Oct 31, 2017 · US
Gas circuit breaker and breaker for gas insulated switching device
US-2017309428-A1 · Oct 26, 2017 · US
Gas insulated high voltage electrical device equipped with an enhanced particle trap
US-9799472-B1 · Oct 24, 2017 · US
Gas Circuit Breaker
US-2017278654-A1 · Sep 28, 2017 · US
Gas circuit breaker
US-2017263398-A1 · Sep 14, 2017 · US
Hybrid cutoff member for an electric circuit
US-9748060-B2 · Aug 29, 2017 · US
Medium voltage circuit breaker for the use in high pressure environments
US-2017169973-A1 · Jun 15, 2017 · US
Arc extinguishing contact assembly for a circuit breaker assembly
US-9679719-B2 · Jun 13, 2017 · US
Electrical switching device with a triple motion contact arrangement
US-9627155-B2 · Apr 18, 2017 · US
Gas insulated switchgear
US-2017069448-A1 · Mar 9, 2017 · US
Electrical apparatus for the generation, transmission, distribution and/or usage of electrical energy and method for recovering a substance from an insulation medium of such an apparatus
US-2017069407-A1 · Mar 9, 2017 · US
Sealed relay
US-9589751-B2 · Mar 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01H33/64?
- CPC H01H33/64 is the Cooperative Patent Classification code for “wherein the break is in gas (vacuum switches H01H33/66).”
- How many patents are filed under CPC H01H33/64 (wherein the break is in gas (vacuum switches H01H33/66))?
- Our database includes 111 publications tagged with this CPC code.
- Is patent activity under CPC H01H33/64 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).